Product Description

2" x 4" Internal Snap-in End Caps - Smooth Gloss. These glossy black ABS plastic end caps fit the end if 2" x 4" rectangular tubing with a 1.88" wall thickness (3/16" thick or AKA as "7 gauge"). This is not to be confused with the thinner wall 11 gauge - which is .120" thick (1/2" thick). Before ordering, be sure of your wall thickness.